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Unanswered Questions

174 questions with no upvoted or accepted answers
9 votes
1 answer
950 views

Shimano Dura-Ace R9120 lever leaking

My bike's Dura-Ace R9120 rear-brake/front derailleur shifter (left shifter in UK) leaks brake fluid when I pull hard on the lever. It leaks from this specific place: I understand this lever is ...
6 votes
0 answers
483 views

Shimano road bike lever leaking mineral oil

I have a leak in my Shimano DA 9170 (right) shifter. When I do a bleed, everything seems to work for a ride or two and then I start to lose braking power and the underside of the brake hood is wet ...
6 votes
0 answers
996 views

Help identifying MTB frame

Apologies making ANOTHER one of these threads...Anyhows: Bought a bike third hand, frame has been stripped and painted. Trying to find make & model so I can get some offset bushings for the shock. ...
5 votes
1 answer
396 views

Why does my crank go in reverse and my chain drop when I am not on the bike?

I have a problem of my chain dropping. What happens is when we stop and I unclip from the pedals, the crank rotates in reverse and the chain drops. I am in the large chain ring when this happens. ...
4 votes
0 answers
523 views

What bike frame has these lugs?

Can someone help me identify my bike frame? It has this V-shaped cutout in the top tube lug and a serial number of 2948. It has SunTour dropouts, likely NJS.
3 votes
0 answers
57 views

How to connect quick link for 6/7/8 gears Shimano chain?

I recently ordered a new chain and I am having trouble connecting the quick link, which I also ordered (first time doing it). It seems the pin of the quick link won't stick out far enough to be able ...
3 votes
0 answers
141 views

Can anyone share where I'd find the serial number and year of this Sears & Roebuck bicycle?

I've looked everywhere and can't find a serial number on this Sears bicycle made in Austria. Can anyone please help with this? Ultimately I'd like to determine the year it was made. Please ignore the ...
3 votes
0 answers
148 views

Help identifying brand of road bike frame

Last year I bought this second-hand bike, but I was a total newbie and didn't realize that the branding was just stickers until I received it. It's still a good bike and I'm having fun with it, but I'...
3 votes
0 answers
115 views

What could the source of this ticking sound be?

I have an annoying ticking sound that I need some help with. I've read through a lot of suggestions online and two bike shops have failed to solve it. The bike is a brand new custom build (Trek Emonda ...
3 votes
0 answers
86 views

Just hoping someone out there recognizes this bike and can help identify it

Assuming this is a 90s era aluminum frame with only a head badge sticker to identify it, no name or model printed anywhere. RX100 RD, DeoreXT FD, Sugino triple crank and Exage500EX brakes. the fork is ...
3 votes
0 answers
116 views

I need help identifying this womens bike frame, please

It's nearly 70 years old. I've narrowed the potentials down to Sears, Schwinn or possibly J.C. Higgins. I did just order the wheels for this and it takes 26" schwinn apparently as opposed to ...
3 votes
0 answers
141 views

New hub slipping when powering up?

I recently had my Giant Propel SLR serviced (including new chain, Cassette and a new Hub) as gears were beginning to slip. However after the service when I climb into top / hardest gear and put the ...
3 votes
0 answers
151 views

Bike Frame Identification

Does anyone have any leads on what make/model/year of frame this is? I spotted this bike last summer and it's been nagging at me ever since. I love the design and am trying to track down who is ...
3 votes
0 answers
187 views

Help identifying this $25 ebike

I picked up this folding bike for $25 thinking I would google it and have all the info I needed to get it functioning. Any help finding documentation would be great, what kind of battery can I plug ...
3 votes
0 answers
519 views

Help identify this loop frame bike

I'm trying to find out more information about this old loop frame bike I'm planning to refurbish. I haven't found any other marks that may be identifying, if there's anything else I can take a photo ...

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